The Jet Tools PDSQ9/16 is a precision 9/16" square punch and die set designed for accurate metal punching applications. This set includes a key-way feature, enhancing its versatility for various machining tasks. Constructed from high-quality materials, it ensures durability and reliability under heavy use. The punch and die set is compatible with standard punching machines, making it easy to integrate into existing workflows. Ideal for metalworking professionals, this set enhances productivity and precision in creating square holes and key-ways in various materials.